Method and apparatus for providing uniaxial anisothopy in...

Details Method and apparatus for providing uniaxial anisothopy in... Method and apparatus for providing uniaxial anisothopy in...

G - Physics

11

B

G11B 5/84 (2006.01) G11B 5/66 (2006.01) G11B 5/845 (2006.01)

Patent

CA 2041508

A method and apparatus for providing radial uniaxial anisotropy in the soft magnetic layer of a magnetic recording disk is disclosed. While the soft magnetic layer is being deposited on the recording disk, the magnetic field. The alternating perpendicular magnetic field causes eddy currents to flow in the disk, in a circumferential direction. The eddy currents, in turn cause a magnetic field in a radial direction, thereby resulting in the desired radial uniaxial anisotropy.

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